CN211574001U - Special rotating shaft structure for combined tool - Google Patents
Special rotating shaft structure for combined tool Download PDFInfo
- Publication number
- CN211574001U CN211574001U CN201922162591.3U CN201922162591U CN211574001U CN 211574001 U CN211574001 U CN 211574001U CN 201922162591 U CN201922162591 U CN 201922162591U CN 211574001 U CN211574001 U CN 211574001U
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- shaft
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- shaft end
- tool
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Abstract
The utility model provides a combination tool special use pivot structure, including cold forging integrated into one piece's axis body, the axis body includes the jack-post and the axle head of coaxial setting: one side of the shaft post is provided with an arc-shaped concave surface, the part of the shaft post far away from the shaft end is provided with a through hole, and the axis of the through hole is vertical to the axis of the shaft post; the shaft end is provided with a pair of shaft lugs on the circumferential surface thereof in an axisymmetric manner, wherein one side of one shaft lug, which is far away from the shaft column, is provided with a convex column. The utility model discloses can realize spacing to the instrument after being applied to the combination tool.
Description
Technical Field
The utility model relates to a connect and fastener technical field, concretely relates to specialized rotating shaft structure of combination tool.
Background
Combination tool integrates multiple instrument, and including portable and handheld formula two kinds usually, portable adoption box structure to set up a plurality of draw-in grooves, be used for fixed multiple instrument, and handheld formula includes the grab handle usually, and the grab handle is equipped with fixed pivot, rotates in the pivot and is connected with a plurality of instruments, and some grab handles are seted up flutedly, can rotate the instrument to the recess in, reduce the space when not using, conveniently carry.
The existing hand-held combined tool has no positioning and limiting function to the tool, the tool mostly rotates around the rotating shaft freely without limitation, so that when a single tool is used, the handle is held by hands, the force applied to the tool is not convenient, the tool is often required to be blocked by fingers, the tool is prevented from rotating around the rotating shaft, the tool is easy to fall out of the groove when being stored, and the tool is not convenient to carry. Therefore, improvement is desired.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the present invention is to provide a special pivot structure for a combination tool, which can be used to limit the tool after being applied to the combination tool.
In order to achieve the above object, the utility model relates to a special pivot structure of combination tool, including cold forging integrated into one piece's axis body, the axis body includes the axle post and the axle head of coaxial setting: one side of the shaft post is provided with an arc-shaped concave surface, the part of the shaft post far away from the shaft end is provided with a through hole, and the axis of the through hole is vertical to the axis of the shaft post; the shaft end is provided with a pair of shaft lugs on the circumferential surface thereof in an axisymmetric manner, wherein one side of one shaft lug, which is far away from the shaft column, is provided with a convex column.
Preferably, the outer diameter of the shaft end is not smaller than the outer diameter of the shaft post.
Preferably, the concave surface is symmetrical about the axis of the through hole.
Preferably, the maximum distance from the lowest point of the concavity to the outer surface of the shaft stub is not less than the radius of the shaft end.
Preferably, a fillet is arranged between the concave surface and the shaft column.
Preferably, the distance between the axis of the convex column and the axis of the shaft end is 80-100% of the radius of the shaft end.
Compared with the prior art, the utility model, its beneficial effect is:
the whole shaft body is integrally formed by cold forging, so that cost reduction and efficiency improvement are facilitated, the strength is greatly improved, and the service life is prolonged; the shaft body comprises a shaft post and a shaft end which are coaxially arranged, the shaft post is used for supporting a plurality of tools in the combined tool and is in running fit with the tools, and the shaft end is used for supporting the shaft post and driving the shaft post to rotate;
one side of the shaft post is provided with an arc concave surface, and the part of the shaft post far away from the shaft end is provided with a through hole, so that the shaft post can be matched with a tool to realize limiting and ensure that the tool is in a locking state; the shaft end is provided with a pair of shaft lugs on the circumferential surface of the shaft end in an axisymmetric manner, one side of one shaft lug, which is far away from the shaft post, is provided with a convex column, namely the convex column is eccentrically arranged relative to the shaft end, so that the convex column can be easily driven to rotate by applying force, the concave surface and the through hole are separated from the tool, the locking state is released, and the tool can rotate relative to the rotating shaft structure.
Drawings
FIG. 1 is a front view of a special rotating shaft structure for a combined tool of the present invention;
FIG. 2 is a right-side view of the special rotating shaft structure for a combination tool of the present invention;
FIG. 3 is a top view of the special rotating shaft structure for a combination tool of the present invention;
fig. 4 is a schematic three-dimensional structure diagram of the special rotating shaft structure for the combined tool of the present invention.
In the figure: 1. a column shaft; 11. a concave surface; 12. a through hole; 13. rounding off; 2. a shaft end; 21. a shaft lug; 22. a convex column.
Detailed Description
In order to explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following embodiments are described in detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.
The utility model provides a combination tool special use pivot structure, including cold forging integrated into one piece's axis body, the axis body includes the axle post 1 and the axle head 2 of coaxial setting: one side of the shaft post 1 is provided with an arc-shaped concave surface 11, the part of the shaft post 1 far away from the shaft end 2 is provided with a through hole 12, and the axis of the through hole 12 is vertical to the axis of the shaft post 1; the shaft end 2 is provided with a pair of shaft lugs 21 on the circumferential surface thereof in an axisymmetric manner, wherein one of the shaft lugs 21 is provided with a convex column 22 on the side far away from the shaft column 1.
By adopting the technical scheme, the whole shaft body is integrally formed by cold forging, so that cost reduction and efficiency improvement are facilitated, the strength is greatly improved, and the service life is prolonged; the shaft body comprises a shaft column 1 and a shaft end 2 which are coaxially arranged, the shaft column 1 is used for supporting a plurality of tools in the combined tool and is in running fit with the tools, and the shaft end 2 is used for supporting the shaft column 1 and driving the shaft column 1 to rotate;
one side of the shaft column 1 is provided with an arc-shaped concave surface 11, and the part of the shaft column 1 far away from the shaft end 2 is provided with a through hole 12, so that the shaft column can be matched with a tool to realize limiting and ensure that the tool is in a locking state; the shaft end 2 is provided with a pair of shaft lugs 21 on the circumferential surface thereof in an axisymmetric manner, one of the shaft lugs 21 is provided with a convex column 22 on one side far away from the shaft column 1, namely the convex column 22 is eccentrically arranged relative to the shaft end 2, so that the convex column 22 is applied with force to easily drive the whole shaft column 1 to rotate, thereby separating the concave surface 11 and the through hole 12 from the tool, releasing the locking state, and enabling the tool to rotate relative to the rotating shaft structure.
Preferably, the outer diameter of the shaft end 2 is not smaller than the outer diameter of the shaft post 1.
Through adopting above-mentioned technical scheme, be favorable to arranging this pivot structure in the combination tool, axle head 2 can provide support and linkage for jack-post 1.
Preferably, said concave surface 11 is symmetrical with respect to the axis of the through hole 12.
Through adopting above-mentioned technical scheme, be favorable to guaranteeing that concave surface 11 rotates when to instrument department, through-hole 12 can realize spacingly with the instrument block.
Preferably, the maximum distance from the lowest point of said concave surface 11 to the outer surface of the shaft stub 1 is not less than the radius of the shaft end 2.
Through adopting above-mentioned technical scheme, can promote the smooth nature of the 1 pivoted of jack-post on the basis of guaranteeing the bulk strength, prevent the card dead.
Preferably, a rounded corner 13 is arranged between the concave surface 11 and the shaft column 1.
By adopting the technical scheme, the convex column 22 can be favorably and smoothly separated from the concave surface 11 when force is applied to the convex column, and the clamping is further prevented.
Preferably, the distance between the axis of the convex column 22 and the axis of the shaft end 2 is 80-100% of the radius of the shaft end 2.
By adopting the technical scheme, the ratio of the distance between the axis of the convex column 22 and the axis of the shaft end 2 to the radius of the shaft end 2 is neither too large nor too small, when too large force is applied to the convex column 22, the rotation of the shaft end 2 is too sensitive, the rotation angle is too large, and when too small force is applied to the convex column 22, the force is required to be greatly increased, so that the range of 0.8-1.0 is selected.
To sum up, the preferred embodiment of the present invention is only, the protection scope of the present invention is not limited thereto, and all equivalent changes and modifications made in accordance with the patent scope and the content of the specification of the present invention are all within the scope covered by the present invention.
Claims (6)
1. The utility model provides a combination tool special use pivot structure which characterized in that: including cold forging integrated into one piece's axis body, the axis body includes the axle post and the axle head of coaxial setting: one side of the shaft post is provided with an arc-shaped concave surface, the part of the shaft post far away from the shaft end is provided with a through hole, and the axis of the through hole is vertical to the axis of the shaft post; the shaft end is provided with a pair of shaft lugs on the circumferential surface thereof in an axisymmetric manner, wherein one side of one shaft lug, which is far away from the shaft column, is provided with a convex column.
2. The spindle structure for a combined tool as claimed in claim 1, wherein: the outer diameter of the shaft end is not smaller than that of the shaft column.
3. The spindle structure for a cluster tool according to claim 1 or 2, wherein: the concave surface is symmetrical about the axis of the through-hole.
4. The spindle structure for a combined tool as claimed in claim 3, wherein: the maximum distance from the lowest point of the concave surface to the outer surface of the shaft post is not less than the radius of the shaft end.
5. The spindle structure for a combined tool as claimed in claim 4, wherein: and a fillet is arranged between the concave surface and the shaft post.
6. The spindle structure for combined tool as claimed in claim 5, wherein: the distance between the axis of the convex column and the axis of the shaft end is 80-100% of the radius of the shaft end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162591.3U CN211574001U (en) | 2019-12-05 | 2019-12-05 | Special rotating shaft structure for combined tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162591.3U CN211574001U (en) | 2019-12-05 | 2019-12-05 | Special rotating shaft structure for combined tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211574001U true CN211574001U (en) | 2020-09-25 |
Family
ID=72534260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922162591.3U Active CN211574001U (en) | 2019-12-05 | 2019-12-05 | Special rotating shaft structure for combined tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211574001U (en) |
-
2019
- 2019-12-05 CN CN201922162591.3U patent/CN211574001U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |